British Railways Standard Class 5MT 4-6-0 locomotive no. 73129, now based at the Midland Railway at Butterley, is the sole survivor of the last batch of 30 steam locomotives to be built at Derby Locomotive Works and is unique in being the only preserved Standard Class 5 fitted with Caprotti Valve Gear. It is seen here departing Swanwick Junction station for Riddings on the morning of Sunday 12 October 2014.